378730685 has 8 divisors (see below), whose sum is σ = 460878336. Its totient is φ = 298716880.

The previous prime is 378730679. The next prime is 378730741. The reversal of 378730685 is 586037873.

378730685 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 378730685 - 2⁶ = 378730621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533069 + ... + 533778.

It is an arithmetic number, because the mean of its divisors is an integer number (57609792).

Almost surely, 2^378730685 is an apocalyptic number.

It is an amenable number.

378730685 is a deficient number, since it is larger than the sum of its proper divisors (82147651).

378730685 is a wasteful number, since it uses less digits than its factorization.

378730685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066923.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 378730685 is about 19461.0042135549. The cubic root of 378730685 is about 723.5082668965.

The spelling of 378730685 in words is "three hundred seventy-eight million, seven hundred thirty thousand, six hundred eighty-five".